import { type RefObject } from 'react';
export interface UseFocusTrapOptions {
    /** When `false` the trap is inert. Defaults to `true`. */
    enabled?: boolean;
    /**
     * When `true`, focus initial autofocus into the first focusable
     * descendant on mount / enable. @default true
     */
    autoFocus?: boolean;
    /**
     * When `true`, restores focus to the previously-focused element on
     * unmount / disable. @default true
     */
    restoreFocus?: boolean;
}
/**
 * Constrain Tab navigation to descendants of `containerRef`. Wraps Tab
 * forward from the last focusable to the first, and Shift+Tab back from
 * the first to the last. Optionally autofocuses on enable and restores
 * focus on disable.
 *
 * Use this for inline modal patterns or focus zones that don't ship
 * with their own Radix overlay. Don't stack it inside Dialog / Sheet —
 * Radix already traps focus in those.
 *
 * @example
 *   const ref = useRef<HTMLDivElement>(null);
 *   useFocusTrap(ref, { enabled: open });
 *   return <div ref={ref}>…</div>;
 */
export declare function useFocusTrap<T extends HTMLElement>(containerRef: RefObject<T | null>, options?: UseFocusTrapOptions): void;
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